/*
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 * and open the template in the editor.
 */
package com.oea.servlets;

import com.oea.hibernate.entities.Faculty_Assign_Subject;
import com.oea.hibernate.entities.Faculty_Subject;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author DELL
 */
public class FacultySubjectDeleteAction extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        try (PrintWriter out = response.getWriter()) {

            Long id = Long.parseLong(request.getParameter("id"));
            Faculty_Subject fas = new Faculty_Subject();
            boolean deleted = fas.delete(id);
            System.err.println("delete"+deleted);
            Long fid = (Long) request.getSession().getAttribute("fid");

            List<Faculty_Subject> li_allfaculty_subject = Faculty_Subject.getSubjectsOfFaculty(fid);

            List<Faculty_Subject> li_faculty_subject = new ArrayList<>();

            for (Faculty_Subject faculty_subject : li_allfaculty_subject) {

                li_faculty_subject.add(faculty_subject);

            }
            request.getSession().setAttribute("faculty_subjects", li_faculty_subject);

            String json = "";

            if (deleted) {
                json += "{\"done\":\"1\"}";
            } else {
                json += "{\"done\":\"0\"}";
            }
            out.println(json);

        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
